Curve of all Isotropic Focal Points (CROSBI ID 527522)
Prilog sa skupa u zborniku | izvorni znanstveni rad | međunarodna recenzija
Podaci o odgovornosti
Lapaine, Miljenko ; Ščurić, Vlasta
engleski
Curve of all Isotropic Focal Points
Generally, a conic section pencil is defined with four real different fundamental points (type I). In the type IV the two fundamental points coincide and we have one double fundamental point. Then, a common tangent to all curves of pencil runs through that double point. In classifying the conic section pencils the curve of all isotropic focal points can be applied. It can be shown that this curve is generally a curve of the 3th degree. In the paper the parametric equations of such curves are developed. There are three cases of isotropic focal points curve arising in classifying the conic section pencils of the type IV.
isotropic focal point; conic section pencil
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Podaci o prilogu
338-342.
1994.
objavljeno
Podaci o matičnoj publikaciji
Proceedings of the 6th International Conference on Engineering Computer Graphics and Descriptive Geometry (ECGDG)
Suzuki, Kenjiro ; Yoshida, Katsuyuki
Tokyo: The University of Tokyo, Otsuma Women's University
Podaci o skupu
International Conference on Engineering Computer Graphics and Descriptive Geometry (6 ; 1994)
predavanje
19.08.1994-23.08.1994
Tokyo, Japan